Metropolitan Manila Development Authority

The Metropolitan Manila Development Authority (MMDA) is a national government agency tasked with overseeing the coordinated development of Metro Manila, the country's capital region. It formulates and implements policies related to urban planning, land use, and infrastructure projects that affect the metropolitan area. The agency manages traffic enforcement and operates programs aimed at reducing congestion and improving road safety across the city streets. It also directs flood control initiatives, including the operation of pumping stations and the maintenance of waterways to mitigate seasonal inundation. In addition, MMDA supervises solid waste management and sanitation services, coordinating collection, disposal, and recycling efforts among local government units. The authority works closely with the seventeen cities and municipalities that compose Metro Manila to ensure uniform standards and effective delivery of public services.

MMDA operates under the direct supervision of the Office of the President of the Philippines, with its chairman appointed by the President and serving as the agency's chief executive. Its mandate gives it a regulatory role over certain metropolitan functions, allowing it to issue directives that local governments must follow concerning traffic, disaster preparedness, and environmental management. This positioning distinguishes MMDA from typical local government units, as it possesses metropolitan‑wide authority that transcends individual city jurisdictions. The agency’s structure includes various departments focused on engineering, planning, operations, and public safety, each staffed by civil servants and technical specialists. While MMDA does not have commercial products or a market in the private‑sector sense, its services are directed toward the public populace and governmental entities within the National Capital Region. The 2016 distributed denial‑of‑service attack on its website highlighted the agency’s visibility and the importance of maintaining resilient digital infrastructure for its ongoing coordination duties.